package design.pattern.application.CommandAndChain;

/**
 * @program JavaBase
 * @description:
 * @author: zhanglu
 * @create: 2020-05-22 14:33:00
 */
public abstract class AbstractLs extends CommandName{

    public final static String DEFAULE_PARAM = "";
    public final static String A_PARAM = "a";
    public final static String L_PARAM = "l";

}
